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Audi A4 Most Popular Parts

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MQB Magnetic Drain Plug - Priced Each

ES#3478576 - 015137ECS02 - MQB Magnetic Drain Plug - Priced Each - Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive - ECS - Audi Volkswagen Porsche

Capture harmful particulates from circulating within your oiling system and make services easier with our 13mm hex drive affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3478576
Mfg#:
015137ECS02
In Stock
ON SALE! SAVE 36%
$24.99

This product was last offered at the strikethrough price on
05-02-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Magnetic Oil Drain Plug Kit

ES#4499602 - 034-110-2000 - Billet Magnetic Oil Drain Plug Kit - Capture harmful particles to prevent wear. M14x1.5 - 034Motorsport - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4499602
Mfg#:
034-110-2000
In Stock
$22.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

D3S 4200K Night Breaker 220HID Bulb - Pair

ES#3706978 - 66340XNL - D3S 4200K Night Breaker 220HID Bulb - Pair - High output replacement xenon bulbs from Osram - Osram Sylvania - Audi Volkswagen

High output replacement xenon bulbs from Osram affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Osram Sylvania - Corporate Logo
ES#:
3706978
Mfg#:
66340XNL
Ships in 9 Business Days
$269.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4768292 - 06F129101N - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to production date 12/16/2005

Brand:
Hengst - Corporate Logo
ES#:
4768292
Mfg#:
06F129101N
In Stock
ON SALE! SAVE 10%
$26.99

This product was last offered at the strikethrough price on
06-06-2026

$24.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B16 PSS10 Suspension System

ES#3426731 - 48-262316 - Bilstein B16 PSS10 Suspension System - Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with build date up to 7/11/16, w/ 53mm front strut body diameter - Vehicles equipped with Electronic

Brand:
Bilstein - Corporate Logo
ES#:
3426731
Mfg#:
48-262316
Ships in 3 Business Days
$2499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss Black

ES#4701364 - 051610LA01-01 - B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4701364
Mfg#:
051610LA01-01
In Stock
ON SALE! SAVE 47%
$373.99

This product was last offered at the strikethrough price on
05-02-2026

$197.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VWR Billet Washer Fluid Reservoir Cap - Black

ES#3188200 - VWR19G704 - VWR Billet Washer Fluid Reservoir Cap - Black - Billet aluminum washer fluid cap to replace your blue plastic one - Racingline - Audi Volkswagen

Billet aluminum washer fluid cap to replace your blue plastic one affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3188200
Mfg#:
VWR19G704
In Stock
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Replacement Kit

ES#4023737 - CHS0648 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4023737
Mfg#:
CHS0648
In Stock
$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly Leichtlauf Oil Service Kit (5w-40) - With Magnetic Drain Plug

ES#4006930 - 06L115562KT10 - Liqui Moly Leichtlauf Oil Service Kit (5w-40) - With Magnetic Drain Plug - Includes Hengst oil filter, Liqui Moly Leichtlauf High Tech 5w-40 oil and ECS Magnetic Drain Plug - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter, Liqui Moly Leichtlauf High Tech 5w-40 oil and ECS Magnetic Drain Plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4006930
Mfg#:
06L115562KT10
In Stock
ON SALE!
$97.99

This product was last offered at the strikethrough price on
05-02-2026

$94.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 1 Liter

ES#1306830 - 2004 - Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 1 Liter - Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen

Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
1306830
Mfg#:
2004
In Stock
39% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$19.95

This product was last offered at the strikethrough price on
12-30-2025

$12.17 USD
Free Shipping
on orders $49 and up

Billet Tunnel Brace - Black - Audi B8/Porsche Macan

ES#3569140 - 023780ECS01-01 - Billet Tunnel Brace - Black - Audi B8/Porsche Macan - Replace your small and weak stamped brace with heavy-duty billet aluminum! - ECS - Audi Porsche

Replace your small and weak stamped brace with heavy-duty billet aluminum! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569140
Mfg#:
023780ECS01-01
In Stock
ON SALE! SAVE 25%
$170.99

This product was last offered at the strikethrough price on
05-02-2026

$128.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS High Performance Ignition Coil

ES#4419105 - CTS-IGN-006 - CTS High Performance Ignition Coil - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4419105
Mfg#:
CTS-IGN-006
In Stock
$29.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4/R8 Fuel Pressure Regulating Valve - Priced Each

ES#284889 - 079130757 - RS4/R8 Fuel Pressure Regulating Valve - Priced Each - One located on the underside of each fuel rail - Genuine Volkswagen Audi - Audi Volkswagen

One located on the underside of each fuel rail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Factory pressure regulator from RS4/R8, used in various performance applications - raises the factory fuel pressure limit from roughly 126 to 136 bar

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284889
Mfg#:
079130757
In Stock
18% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$260.00

This product was last offered at the strikethrough price on
06-06-2026

$211.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Ultimate Audi B8 Pre-Facelift Street Shield Kit

ES#3612454 - 003251ecs01aKT - ECS Tuning Ultimate Audi B8 Pre-Facelift Street Shield Kit - Get the ultimate under body protection for your B8! - ECS - Audi

Get the ultimate under body protection for your B8! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits B8 chassis up to the 2012 model year with manual and DSG transmissions only

Brand:
ECS - Corporate Logo
ES#:
3612454
Mfg#:
003251ECS01AKT
In Stock
ON SALE! SAVE 10%
$914.99

This product was last offered at the strikethrough price on
05-02-2026

$823.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing Assembly OE# 06F115397J 06F115397H 06F115397K

ES#4759989 - 06F115397H - Oil Filter Housing Assembly OE# 06F115397J 06F115397H 06F115397K - Mounted to the engine block and houses the engine oil filter - Bremmen Parts - Audi Volkswagen
ECS Tuning recommends this product.

Mounted to the engine block and houses the engine oil filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759989
Mfg#:
06F115397H
Ships on Jun 30, 2026
Auto Notify
ON SALE! SAVE 21%
$104.99

This product was last offered at the strikethrough price on
05-02-2026

$83.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Density Line Front Lower Control Arm Kit

ES#3199971 - 034-401-1044 - Density Line Front Lower Control Arm Kit - Includes new lower control arms with Density Line control arm bushings, M12 ball joints, and hardware - 034Motorsport - Audi

Includes new lower control arms with Density Line control arm bushings, M12 ball joints, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models up to production date 11/2/2009 (M12 Ball Joints)

Brand:
034Motorsport - Corporate Logo
ES#:
3199971
Mfg#:
034-401-1044
Ships in 2 Business Days
$617.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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